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The Audi TT is a sports car manufactured by Germanmarker automaker Audi AG since 1998 in Győrmarker, Hungarymarker. It is now in its second generation — and available as a 2+2 coupé or two-seater roadster.

Origins

The development of the Audi TT began in September 1994 at the Audi Design Center in Californiamarker. The TT was first shown as a concept car at the 1995 Frankfurt Motor Show. The design is credited to J Mays and Freeman Thomas, with Martin Smith and Romulus Rost contributing to the award winning interior design. A previously unused laser welding adaptation which enabled seamless design features on the first-generation TT also delayed its introduction.

Audi did not initially offer an automatic transmission option for the TT. A Direct-Shift Gearbox (DSG) became available, the first for a production car, in 2003.

Name

The Audi TT takes its name from the successful racing tradition of NSU in the Britishmarker Isle of Man TT motorcycle race. NSU began competing in the TT in 1911, and later merged into the company now known as Audi.

The Audi TT also follows the NSU 1000TT, 1200TT and TTS cars of the 1960s in being named for the race.

The Audi TT Roadster was presented in Detroit in 1999 under the name Audi TTS.

First generation (Typ 8N, 1998-2006)

The production model (internal designation Typ 8N') was launched as a Coupé (TT-C) in September 1998, followed by a Roadster (TT-R) in August 1999, based on the Volkswagen Group A4 platform used for the Volkswagen Golf Mk4, the original Audi A3, the Škoda Octavia and others. The styling differed little from the concept, except for slightly reprofiled bumpers, and the addition of a rear quarterlight windows behind the doors. Factory production commenced October 1998.

Mechanically, the TT uses a transverse mounted internal combustion engine with front or quattro four-wheel drive. It was first available with a 1.8 litre inline four cylinder 20-valve turbocharged engine, with either or . The engines share the same basic design but the 225 PS version features a larger turbocharger, an additional intercooler on the driver's side, forged connecting rods, a dual exhaust, and a few other internals designed to accommodate the increase in turbo boost from roughly 10 psi peak to 15. Haldex Traction enabled four wheel drive, 'branded' as "quattro" was optional on the engine, and standard on the more powerful version.
Audi TT Roadster (US)


Early TT models gained press coverage for a series of high-speed accidents in Europe. Reported crashes and related fatalities occurred at speeds in excess of , during abrupt lane changes or sharp turns. Both the coupé and roadster models were recalled in late 1999/early 2000, to improve predictability of the car's handling at very high-speeds. Audi's Electronic Stability Programme, and rear spoiler were added, along with suspension modifications. All changes were subsequently incorporated into future versions of the car.

The original four cylinder engine range was complemented with a 3.2 litre VR6 engine in early 2003, which comes as standard with the quattro four-wheel drive system. In July 2004, a new Direct-Shift Gearbox (DSG) (dual-clutch) gearbox, which improves acceleration through drastically reduced shift times, was offered, along with a stiffer suspension.

Factory production of this generation ended in June 2006.

TT quattro Sport

In 2005, Audi released the limited edition (800 sold in the UKs not the 1000 originally planned) TT quattro Sport (known as the TT Club Sport in Europe). It had increased power from its 1.8 litre turbocharged engine - rising to and ft of torque - and a reduction in weight of to , which gave an electronically limited top speed of . This was also assisted by deleting the spare wheel, and by taking out the rear parcel shelf and rear seats. Lightweight fixed-back Recaro bucket seats graced the interior. Distinguishable from other TT coupés by its two-tone paint scheme (black painted roof, pillars and mirror housings, in combination with either Avus Silver, Phantom Black, Mauritius Blue or Misano Red body colour), and unique 18" 15-spoke aluminium alloy wheels, plus the same body kit as fitted to the TT 3.2 V6, it also had uprated suspension settings, V6-spec brakes fitted, and the new wheels were wider at the rear for improved grip.

8N engines

The 8N powertrain options comprise of the following internal combustion engines and drivelines:
engine displacement type max. power max. torque years drive
petrol engines
1.8 T I4 20v Turbo 2002-2006 FWD
1.8 T I4 20v Turbo 2006 FWD
1.8 T I4 20v Turbo 1998-2006 FWD, 4WD
1.8 T I4 20v Turbo 2006 FWD, 4WD
1.8 T quattro I4 20v Turbo 1998-2005 4WD
1.8 T quattro Sport I4 20v Turbo 2005-2006 4WD
3.2 quattro VR6 24v 2003-2006 4WD


Lawsuits

There are two class action lawsuits affecting specific model years of the first generation TT.

On 22 June 2007, Pearson, Simon, Soter, Warshaw & Penny, LLP and the Law Office of Robert L. Starr filed a class action lawsuit against Volkswagen Group of America, alleging that the timing belts for model year 1999-2003 Audi and Volkswagen vehicles equipped with a 1.8 litre turbo-charged engine fail prematurely. The vehicles included are the Audi TT, Audi A4 and Volkswagen Passat. The complaint alleges that the timing belts fail prior to the service interval, as stated in the owner's manual. The parties have reached a class-wide settlement, and preliminary approval of the settlement was granted by the court on 19 May 2008. Claim forms, class notice, and other documentation will be mailed on or about 1 August 2008. Details regarding the terms of the settlement will be in the notice sent to owners of the class vehicles.

On 22 January 2008, the U.S. District Court, Northern District of California, entered an order preliminarily approving a nationwide settlement of a class action lawsuit brought by Green Welling LLP, on behalf of all current and prior owners and lessees of 2000-2004, and 2005 model year Audi TTs. The lawsuit and settlement relate to allegedly defective instrument clusters, and Audi TT owners are entitled to submit claims for repairs, replacement and/or cash reimbursement for out-of-pocket expenses, and all TT owners covered by the suit will receive a 2-year extension of their existing 4-year warranty (limited to the instrument cluster).

8N awards

The original generation Audi TT was nominated for the North American Car of the Year award for 2000. It was also on Car and Driver magazine's Ten Best list for 2000 and 2001.

Second generation (Typ 8J, 2006-)

A preview of the second-generation TT was provided in the form of the Audi Shooting Brake concept car, shown at the Tokyo Motor Show in 2005. This concept was an insight into the new TT, but featured angular styling, and a "shooting brake" 2-door hatchback body style.

Audi revealed the second-generation TT, internal designation Typ 8J', on 6 April 2006. It is constructed of aluminium in the front, and steel in the rear, to enhance its balance, and is available in front- or four-wheel drive layout. Factory production commenced during August 2006.

8J powertrain

The powertrain options initially only included petrol engines, which consist of either one of two inline four cylinder engines - the 1.8 litre Turbocharged Fuel Stratified Injection (TFSI) (available in Germany), or the more common 2.0 litre TFSI. The Fuel Stratified Injection (FSI) technology was derived from the Audi Le Mansmarker endurance race cars, and offers improved fuel efficiency as well as an increased power output and cleaner emissions. The 3.2 litre VR6 engine is carried over from the previous generation, and this engine was also available in the Canadian model.

A six-speed manual transmission is standard, with the Direct-Shift Gearbox (now called "S tronic" on all Audi models) as an option for all but 1.8 litre engine. quattro four-wheel drive, again using the Haldex Traction clutch is standard on V6 models, but was not available on 1.8 TFSI. 2.0 TFSI quattro models began available in 2009 model year.

8J suspension & other features

Audi's new active suspension, "Audi Magnetic Ride", is available as an option, and is based on Delphi's MagneRide, which uses magneto rheological dampers (this means that the suspension will automatically adjust its damping properties depending on the current road conditions and driving manner).

The new TT also features an improved rear spoiler which automatically extends at speeds greater than , and retracts again at . The spoiler can also be manually controlled by the driver via a switch on the dash. It is again offered as a 2+2 coupé, and as a roadster.

2.0 TDI quattro

In 2008, Audi offered the first diesel engined version of Audi TT as a quattro model, available in Coupé and Roadster versions, in the European market. Audi claim average fuel consumption on the engine is in the coupé variant. It includes a six-speed manual transmission.

TTS quattro

At the 2008 North American International Auto Show in Detroitmarker, Audi released the Audi TTS quattro. The cylinder block, cylinder head and the fuel injectors have all been modified from the base 2.0 TFSI engine. The engine is rated and of torque from 2,500 to 5,000rpm.

It is available with a choice of either a six-speed, short shift manual transmission or 6-speed S tronic transmission. In the United States, only the S tronic gearbox will be available. Like all "S" models, it is only available with quattro four-wheel drive as standard.

The suspension is lowered by over the entry models, and includes a new two-stage sports-biased Electronic Stability Programme (ESP). Radially ventilated front disc brakes are clamped by a single-piston gloss black caliper emblazened with a bold TTS logo, and a lap timer is prominent in the centre of the instrument cluster. 9Jx18" '5-parallel-spoke' design alloy roadwheels are standard, with 245/40 ZR18 tyres. 19" wheels and tyres are optional. The exterior has some changes over the standard model with a TTS Body Styling with redesigned front, with larger air intakes, redesigned rear bumper and side sill extensions.

The car went on sale in the USA at November 2008.

TT RS

Developed by Audi's high performance subsidiary quattro GmbH at Neckarsulmmarker, the Audi TT RS (available in Coupé and Roadster), it includes an all-new 2.5 litre inline five-cylinder Turbocharged Fuel Stratified Injection (TFSI) petrol engine rated at and @1,600-5,300 rpm.

It has a 6-speed manual gearbox, and like all "RS" models, is only available with Audi's 'trademark' quattro four-wheel drive system, with the TT RS using a specially adapted version of the latest generation multi-plate clutch from Haldex Traction. Additions to the quattro system include a constant velocity joint before the propeller shaft, and a compact rear-axle differential – uprated to cope with increased torque.

Like the TTS, the TT RS has a lower ride height, optional "Audi Magnetic Ride", and rides on standard 18-inch roadwheels with 245/45 ZR tyres (optional 19" rims are also available). The brakes are uprated to include two-piece cross-drilled and radially vented front discs, sized at in diameter. The front discs are clamped by gloss black painted four-piston calipers, adorned with the RS logo.

It includes a fixed rear spoiler (retractable optional), and has black interior with heated Alcantara/leather sports seats (Silk Nappa, Fine Nappa leather optional). The Recaro "RS bucket" seats, first seen in the Audi B7 RS4 are also available as an option.

Official performance figures indicate the TT RS Coupé will accelerate from standstill to in 4.6 seconds (4.7s for the Roadster), with an electronically limited top speed of . There is a factory option to de-restrict the top speed to .The Coupé has a kerb weight of , and the Roadster weighs in at .

The car began sale in March 2009, with delivery beginning in summer.

8J engines

The 8J powertrain options comprise of the following internal combustion engines and drivelines:
engine displacement type max. power at rpm
(Directive
80/1269/EEC)

max. torque
at rpm
years drive notes
petrol engines
1.8 TFSI Inline-4 16v DOHC (EA888)
Fuel Stratified Injection Turbo
@ 4500-6200 @ 1500-4500 2007- FWD Roadster
only
2.0 TFSI Inline-4 16v DOHC (AXX, BWA, BPY)
Fuel Stratified Injection Turbo
@ 5100-6000 @ 1800-5000 2006- FWD, 4WD
3.2 quattro VR6 24v DOHC @ 6300 @ 2500-3000 2006- 4WD
2.0 TFSI
(TTS quattro)
Inline-4 16v DOHC
Fuel Stratified Injection Turbo
@ 6000
@ 2500-5000
2008- 4WD
2.5 TFSI
(TT RS)
Inline-5 20v DOHC
Fuel Stratified Injection Turbo
@ 1600-5300 2009- 4WD
diesel engines
2.0 TDI quattro Inline-4 16v DOHC
Turbocharged Direct Injection (TDI) CR
@ 4200 @ 1750-2500 2008- 4WD


Audi was reported to stop offering 3.2L V6 models in 2010 model year.

8J awards

The second generation TT has been honoured with many awards, including the inaugural Drive Car of the Year, Top Gear Coupé of the Year 2006, Fifth Gear Car of the Year 2006, Autobild 'Most Beautiful Car', and World Design Car of the Year 2007, as well as being a finalist for World Car of the Year.

Production

Historically, all "RS" models have some aspect of their assembly carried out at the factory in Neckarsulmmarker, Germany. The TT RS will be the first RS vehicle that will not have any of its assembly performed in Neckarsulm, and will be completely assembled in the Audi factory in Gyor, Hungary.

Motorsport

In auto racing, the Istook's Motorsports team has currently entered a Revo Technik-sponsored Audi TT in the Grand-Am KONI Sports Car Challenge Street Tuner (ST) class.

An Audi TT RS was used in 2009 24 Hours of Le Mansmarker race as safety car.

See also



References

  1. Audi TT Unveiled
  2. TimingBeltSettlement.com
  3. Pearson, Simon, Soter, Warshaw & Penny, LLP: Audi and Volkswagen Timing Belt Failures
  4. Green Welling LLP: Audi TT Instrument Cluster Settlement
  5. 2009 Audi TT / TTS
  6. Audi's new TT TDI is going on sale this spring in Europe
  7. Audi UK The nerve centre of the Audi TTS quattro
  8. Audi UK The technological highlights of the TTS quattro
  9. Audi UK The equipment of the Audi TTS quattro
  10. Wheels.ca Audi TTS due in November
  11. Audi UK The Audi TT RS: Reduced to performance
  12. Audi UK The heart of the TT RS
  13. Audi UK Driving with unimagined intensity
  14. Audi UK The TT Coupé and Roadster - Pricing and Specification Guide, Valid from May 2009
  15. Audi Canada The New Audi TT Coupe
  16. Audi UK 50 mpg-plus Audi diesel sports car cleans up in Geneva
  17. Audi dropping 3.2-liter V6 from 2010 A3, A4 and TT
  18. Grand-Am.com Fresh From Florida 200, entry list
  19. Le Mans 24: News From The Audi Team


External links




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